440630752745 has 8 divisors (see below), whose sum is σ = 551746334016. Its totient is φ = 337178315056.

The previous prime is 440630752739. The next prime is 440630752759. The reversal of 440630752745 is 547257036044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440630752745 - 2¹⁰ = 440630751721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 440630752745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915785767 + ... + 1915785996.

It is an arithmetic number, because the mean of its divisors is an integer number (68968291752).

Almost surely, 2^440630752745 is an apocalyptic number.

It is an amenable number.

440630752745 is a deficient number, since it is larger than the sum of its proper divisors (111115581271).

440630752745 is a wasteful number, since it uses less digits than its factorization.

440630752745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831571791.

The product of its (nonzero) digits is 2822400, while the sum is 47.

Adding to 440630752745 its reverse (547257036044), we get a palindrome (987887788789).

The spelling of 440630752745 in words is "four hundred forty billion, six hundred thirty million, seven hundred fifty-two thousand, seven hundred forty-five".